& nbsp; product introduction: Product Name: & nbsp; Dongfeng 15t bridge front brake drum Map & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; No.: 35N12-01075 material & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; matter: HT250 preparation & nbsp & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; note: reinforcement, reinforced, with an observation hole, without observation hole